formbook | 5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93

General

Target

5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
Size

584KB
MD5

a23f608230a404028b541bcfce9a6704
SHA1

ba91b94100ec0b7350e8cbfe42879fa8032eca7b
SHA256

5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93
SHA512

866fbc614293427b006bad91d69d45e6c65e6693713e55ecec7fd35253b56e709a129fec97ab71750f2ffaa64b98c28984c2ebaa5b659c5d398a39d91f1b1ff3
SSDEEP

12288:08XO0aNADvB4s44IwaA7jt2wFHrItx6AD0OaaMLi27IKhgIm3YMnkR:0LyBDqYtnFHcl4OvMwdNYMy

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2964-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2804	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
2964	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
2804	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
Token: SeDebugPrivilege	2804	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2804	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	30
PID 2756 wrote to memory of 2804	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	30
PID 2756 wrote to memory of 2804	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	30
PID 2756 wrote to memory of 2804	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	30
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32
PID 2756 wrote to memory of 2964	2756	5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe	32

C:\Users\Admin\AppData\Local\Temp\5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
"C:\Users\Admin\AppData\Local\Temp\5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe
  "C:\Users\Admin\AppData\Local\Temp\5789d779f7aff954b10c95ab92c85c787c25f4b348f43db969b70c5329e74b93.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2756-6-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2756-2-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2756-3-0x0000000005360000-0x00000000053EC000-memory.dmp

Filesize
560KB

Download
memory/2756-4-0x0000000000380000-0x0000000000390000-memory.dmp

Filesize
64KB

Download
memory/2756-5-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/2756-1-0x00000000002D0000-0x0000000000364000-memory.dmp

Filesize
592KB

Download
memory/2756-7-0x00000000057E0000-0x0000000005856000-memory.dmp

Filesize
472KB

Download
memory/2756-13-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Filesize
6.9MB

Download
memory/2964-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2964-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2964-14-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2964-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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